{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-23-095712","form_type":"8-K","ticker":"OKE","cik":"0001039684","company_name":"ONEOK INC /NEW/","filed_at":"2023-12-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:27.986326+00:00","generated_at":"2026-06-07T12:30:01.535963+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"medium","headline":"ONEOK assumes Magellan's debt obligations under supplemental indentures","bullets":["ONEOK assumed Magellan's obligations under the 2007 and 2010 indentures on Dec 13, 2023.","Magellan provided a guarantee of the currently outstanding notes under both indentures.","U.S. Bank Trust Company, National Association acts as trustee under the supplemental indentures.","This step completes the integration of Magellan's debt into ONEOK following the September 2023 merger."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-23-095712","json":"https://secwatch.observer/filing/0001213900-23-095712.json","markdown":"https://secwatch.observer/filing/0001213900-23-095712.md","text":"https://secwatch.observer/filing/0001213900-23-095712.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1039684/000121390023095712/0001213900-23-095712-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1039684/000121390023095712/ea190028-8k_oneokinc.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T12:30:01.535963+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"8c23c1b72da26bf0cdc84823a2ee8033c066791c","claim":"ONEOK INC /NEW/ entered into supplemental indenture to the Indenture, dated as of April 19, 2007 (as supplemented, the \"2007 Indenture\") with U.S. Bank Trust Company, National Association (effective 2023-12-13).","evidence_excerpt":"on December 13, 2023, ONEOK, ONEOK Partners, L.P., a Delaware limited partnership (“ONEOK Partners”), ONEOK Partners Intermediate Limited Partnership, a Delaware limited partnership (“Intermediate Partnership”), Magellan, and U.S. Bank Trust Company, National Association, as trustee (the “Trustee”), entered into (i) a supplemental indenture to the Indenture, dated as of April 19, 2007 (as supplemented, the “2007 Indenture”)","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1039684/000121390023095712/0001213900-23-095712-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"notes offering"},{"label":"Counterparty","value":"U.S. Bank Trust Company, National Association"},{"label":"Effective","value":"2023-12-13"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}